4. INSTALLATION &
ONNECTION
C
4.1 Mains Connection
4.2 Audio connection
a. Wiring Configuration
unbalanced modes, which will be determined by the actual application status, Please wire your systems as the
following examples:
b. In Line Connection
for your particular connection.
7
For 1/4" Phone jack
For XLR connector
XLR Type Unbalanced
XLR Type
alanced
B
Pin3 (-)
Pin2 (+)
Pin1 ( )
(Linked to Pin1 manually,
)
Pin1 ( )
Pin2 (+)
Pin3 (-)
TS Type Unbalanced
Sleeve
Tip
+
TRS Type Balanced
Tip
Ring
Sleeve
+
-
TRS Type Unbalanced
Tip
Ring
Sleeve
+
This is a dual voltage unit. Please ensure that the
LTO HPA4 4-Channel Headphone Amplifier is set to the
correct supply voltage before plugging the power cord into the wall outlet, use the same fuse as marked on the
fuse holder at the AC power connection socket.
Do not insert power cable into the unit until voltage has been correctly set. Do not plug the power cable into AC
power until voltage has been correctly set.
The mains connection of the
LTO HPA4 4-Channel Headphone Amplifier is made by using the enclosed mains
cable and a standard IEC receptacle. It meets all of the international safety certification requirements.
The HPA4
presents with balanced XLR connectors and 1/4" TRS phone jack and
4-Channel Headphone Amplifier
it can be interfaced by several ways to support a variety of applications without any signal loss.
Either the 1/4" TRS (Tip-Ring-Sleeve) phone jack or the XLR servo connector can be wired in balanced and
For these applications, the HPA4 4-Channel Headphone Amplifier provides XLR connectors and 1/4"
TRS
phone jack to easily interface with most professional audio devices. Follow the configuration examples below
